HEADER    LYASE                                   13-MAR-02   1L6S              
TITLE     CRYSTAL STRUCTURE OF PORPHOBILINOGEN SYNTHASE COMPLEXED WITH THE      
TITLE    2 INHIBITOR 4,7-DIOXOSEBACIC ACID                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PORPHOBILINOGEN SYNTHASE;                                  
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: DELTA-AMINOLEVULINIC ACID DEHYDRATASE, 5-AMINOLEVULINIC ACID
COMPND   5 DEHYDRATASE;                                                         
COMPND   6 EC: 4.2.1.24;                                                        
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    DEHYDRATASE, LYASE                                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.K.JAFFE,J.KERVINEN,J.MARTINS,F.STAUFFER,R.NEIER,A.WLODAWER,A.ZDANOV 
REVDAT   6   16-OCT-24 1L6S    1       REMARK                                   
REVDAT   5   16-AUG-23 1L6S    1       REMARK SEQADV LINK                       
REVDAT   4   13-JUL-11 1L6S    1       VERSN                                    
REVDAT   3   24-FEB-09 1L6S    1       VERSN                                    
REVDAT   2   01-OCT-02 1L6S    1       JRNL                                     
REVDAT   1   17-APR-02 1L6S    0                                                
JRNL        AUTH   E.K.JAFFE,J.KERVINEN,J.MARTINS,F.STAUFFER,R.NEIER,           
JRNL        AUTH 2 A.WLODAWER,A.ZDANOV                                          
JRNL        TITL   SPECIES-SPECIFIC INHIBITION OF PORPHOBILINOGEN SYNTHASE BY   
JRNL        TITL 2 4-OXOSEBACIC ACID                                            
JRNL        REF    J.BIOL.CHEM.                  V. 277 19792 2002              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   11909869                                                     
JRNL        DOI    10.1074/JBC.M201486200                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   J.KERVINEN,E.K.JAFFE,F.STAUFFER,R.NEIER,A.WLODAWER,A.ZDANOV  
REMARK   1  TITL   MECHANISTIC BASIS FOR SUICIDE INACTIVATION OF                
REMARK   1  TITL 2 PORPHOBILINOGEN SYNTHASE BY 4,7-DIOXOSEBACIC ACID, AN        
REMARK   1  TITL 3 INHIBITOR THAT SHOWS DRAMATIC SPECIES SELECTIVITY            
REMARK   1  REF    BIOCHEMISTRY                  V.  40  8227 2001              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   1  DOI    10.1021/BI010656K                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 40.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 95.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 126253                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.195                           
REMARK   3   FREE R VALUE                     : 0.243                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 12122                           
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4916                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 32                                      
REMARK   3   SOLVENT ATOMS            : 497                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.018                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.800                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1L6S COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-MAR-02.                  
REMARK 100 THE DEPOSITION ID IS D_1000015696.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-JAN-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X9B                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.28                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 126253                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 40.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.7                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.05600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.76                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 69.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.28700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1I8J                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 70.50                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.17                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 3350, 10% GLYCEROL, 0.1M TRIS-HCL,   
REMARK 280  PH 8.5, 0.02% SODIUM AZIDE, PH 7.5, VAPOR DIFFUSION, HANGING        
REMARK 280  DROP, TEMPERATURE 296K                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 4 21 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -Y+1/2,X+1/2,Z                                          
REMARK 290       4555   Y+1/2,-X+1/2,Z                                          
REMARK 290       5555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       6555   X+1/2,-Y+1/2,-Z                                         
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z                                                
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       64.50000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       64.50000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       64.50000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       64.50000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       64.50000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       64.50000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       64.50000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       64.50000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE BIOLOGICAL ASSEMBLY IS AN OCTAMER                        
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: OCTAMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: OCTAMERIC                  
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 46560 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 75030 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -380.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000      129.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3  0.000000 -1.000000  0.000000       64.50000            
REMARK 350   BIOMT2   3  1.000000  0.000000  0.000000       64.50000            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   4  0.000000  1.000000  0.000000      -64.50000            
REMARK 350   BIOMT2   4 -1.000000  0.000000  0.000000       64.50000            
REMARK 350   BIOMT3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ILE A   4    CG1  CG2  CD1                                       
REMARK 470     LYS A  12    CG   CD   CE   NZ                                   
REMARK 470     GLU A 134    CG   CD   OE1  OE2                                  
REMARK 470     HIS A 135    CG   ND1  CD2  CE1  NE2                             
REMARK 470     LYS A 212    CG   CD   CE   NZ                                   
REMARK 470     LYS A 320    CG   CD   CE   NZ                                   
REMARK 470     ARG A 323    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ILE B   4    CG1  CG2  CD1                                       
REMARK 470     LYS B  12    CG   CD   CE   NZ                                   
REMARK 470     GLU B 134    CG   CD   OE1  OE2                                  
REMARK 470     HIS B 135    CG   ND1  CD2  CE1  NE2                             
REMARK 470     LYS B 212    CG   CD   CE   NZ                                   
REMARK 470     LYS B 320    CG   CD   CE   NZ                                   
REMARK 470     ARG B 323    CG   CD   NE   CZ   NH1  NH2                        
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   OE2  GLU A    39     OE2  GLU A    39     8666     1.53            
REMARK 500   OE2  GLU B    39     OE2  GLU B    39     8665     1.67            
REMARK 500   O    HOH A   640     O    HOH A   733     4455     2.16            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLU A  39   CB    GLU A  39   CG      0.124                       
REMARK 500    GLU B  39   CB    GLU B  39   CG      0.136                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A   8   NE  -  CZ  -  NH1 ANGL. DEV. =   3.0 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    CYS A 129       45.45    -77.72                                   
REMARK 500    ALA A 210       46.48    -79.20                                   
REMARK 500    TYR A 218      -56.16   -133.90                                   
REMARK 500    LYS A 320       28.53     44.89                                   
REMARK 500    GLU B  39       50.06     38.93                                   
REMARK 500    CYS B 129       38.77    -71.97                                   
REMARK 500    ALA B 210       43.08    -73.95                                   
REMARK 500    TYR B 218      -47.53   -136.70                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    TYR B 218         0.07    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600 ATOMS C4 AND C7 OF DSB FORM A SCHIFF BASE                            
REMARK 600 TO NZ OF LYS246 AND NZ OF LYS194.                                    
REMARK 600 THE OXYGENS ON THE C4 AND C7 ARE ELIMINATED                          
REMARK 600 DURING THIS REACTION.                                                
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 400  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 119   SG                                                     
REMARK 620 2 CYS A 121   SG  120.4                                              
REMARK 620 3 CYS A 129   SG   99.4 113.7                                        
REMARK 620 4 HOH A 685   O   104.9  96.8 123.0                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 401  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 231   OE1                                                    
REMARK 620 2 HOH A 403   O    90.1                                              
REMARK 620 3 HOH A 422   O    79.5  87.7                                        
REMARK 620 4 HOH A 433   O   171.1  83.1  94.5                                  
REMARK 620 5 HOH A 439   O    94.0 169.0  83.0  91.7                            
REMARK 620 6 HOH A 483   O    88.1  93.7 167.5  97.9  96.7                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B 400  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B 119   SG                                                     
REMARK 620 2 CYS B 121   SG  123.4                                              
REMARK 620 3 CYS B 129   SG  102.2 109.2                                        
REMARK 620 4 HOH B 686   O   106.1  90.0 128.0                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B 401  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU B 231   OE1                                                    
REMARK 620 2 HOH B 412   O    85.1                                              
REMARK 620 3 HOH B 421   O   172.5  87.7                                        
REMARK 620 4 HOH B 427   O    92.8  94.1  89.6                                  
REMARK 620 5 HOH B 430   O    92.6 177.6  94.6  86.5                            
REMARK 620 6 HOH B 448   O    81.4  90.6  96.7 172.3  88.6                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 400                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 401                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 400                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 401                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DSB A 350                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DSB B 350                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1I8J   RELATED DB: PDB                                   
REMARK 900 1I8J CONTAINS PORPHOBILINOGEN SYNTHASE COMPLEXED WITH THE INHIBITOR  
REMARK 900 4,7-DIOXOSEBACIC ACID                                                
REMARK 900 RELATED ID: 1L6Y   RELATED DB: PDB                                   
REMARK 900 1L6Y CONTAINS PORPHOBILINOGEN SYNTHASE COMPLEXED WITH THE INHIBITOR  
REMARK 900 4-OXOSEBACIC ACID                                                    
DBREF  1L6S A    1   323  UNP    P0ACB2   HEM2_ECOLI       1    323             
DBREF  1L6S B    1   323  UNP    P0ACB2   HEM2_ECOLI       1    323             
SEQADV 1L6S CME A  133  UNP  P0ACB2    CYS   133 MODIFIED RESIDUE               
SEQADV 1L6S CME B  133  UNP  P0ACB2    CYS   133 MODIFIED RESIDUE               
SEQRES   1 A  323  THR ASP LEU ILE GLN ARG PRO ARG ARG LEU ARG LYS SER          
SEQRES   2 A  323  PRO ALA LEU ARG ALA MET PHE GLU GLU THR THR LEU SER          
SEQRES   3 A  323  LEU ASN ASP LEU VAL LEU PRO ILE PHE VAL GLU GLU GLU          
SEQRES   4 A  323  ILE ASP ASP TYR LYS ALA VAL GLU ALA MET PRO GLY VAL          
SEQRES   5 A  323  MET ARG ILE PRO GLU LYS HIS LEU ALA ARG GLU ILE GLU          
SEQRES   6 A  323  ARG ILE ALA ASN ALA GLY ILE ARG SER VAL MET THR PHE          
SEQRES   7 A  323  GLY ILE SER HIS HIS THR ASP GLU THR GLY SER ASP ALA          
SEQRES   8 A  323  TRP ARG GLU ASP GLY LEU VAL ALA ARG MET SER ARG ILE          
SEQRES   9 A  323  CYS LYS GLN THR VAL PRO GLU MET ILE VAL MET SER ASP          
SEQRES  10 A  323  THR CYS PHE CYS GLU TYR THR SER HIS GLY HIS CYS GLY          
SEQRES  11 A  323  VAL LEU CME GLU HIS GLY VAL ASP ASN ASP ALA THR LEU          
SEQRES  12 A  323  GLU ASN LEU GLY LYS GLN ALA VAL VAL ALA ALA ALA ALA          
SEQRES  13 A  323  GLY ALA ASP PHE ILE ALA PRO SER ALA ALA MET ASP GLY          
SEQRES  14 A  323  GLN VAL GLN ALA ILE ARG GLN ALA LEU ASP ALA ALA GLY          
SEQRES  15 A  323  PHE LYS ASP THR ALA ILE MET SER TYR SER THR LYS PHE          
SEQRES  16 A  323  ALA SER SER PHE TYR GLY PRO PHE ARG GLU ALA ALA GLY          
SEQRES  17 A  323  SER ALA LEU LYS GLY ASP ARG LYS SER TYR GLN MET ASN          
SEQRES  18 A  323  PRO MET ASN ARG ARG GLU ALA ILE ARG GLU SER LEU LEU          
SEQRES  19 A  323  ASP GLU ALA GLN GLY ALA ASP CYS LEU MET VAL LYS PRO          
SEQRES  20 A  323  ALA GLY ALA TYR LEU ASP ILE VAL ARG GLU LEU ARG GLU          
SEQRES  21 A  323  ARG THR GLU LEU PRO ILE GLY ALA TYR GLN VAL SER GLY          
SEQRES  22 A  323  GLU TYR ALA MET ILE LYS PHE ALA ALA LEU ALA GLY ALA          
SEQRES  23 A  323  ILE ASP GLU GLU LYS VAL VAL LEU GLU SER LEU GLY SER          
SEQRES  24 A  323  ILE LYS ARG ALA GLY ALA ASP LEU ILE PHE SER TYR PHE          
SEQRES  25 A  323  ALA LEU ASP LEU ALA GLU LYS LYS ILE LEU ARG                  
SEQRES   1 B  323  THR ASP LEU ILE GLN ARG PRO ARG ARG LEU ARG LYS SER          
SEQRES   2 B  323  PRO ALA LEU ARG ALA MET PHE GLU GLU THR THR LEU SER          
SEQRES   3 B  323  LEU ASN ASP LEU VAL LEU PRO ILE PHE VAL GLU GLU GLU          
SEQRES   4 B  323  ILE ASP ASP TYR LYS ALA VAL GLU ALA MET PRO GLY VAL          
SEQRES   5 B  323  MET ARG ILE PRO GLU LYS HIS LEU ALA ARG GLU ILE GLU          
SEQRES   6 B  323  ARG ILE ALA ASN ALA GLY ILE ARG SER VAL MET THR PHE          
SEQRES   7 B  323  GLY ILE SER HIS HIS THR ASP GLU THR GLY SER ASP ALA          
SEQRES   8 B  323  TRP ARG GLU ASP GLY LEU VAL ALA ARG MET SER ARG ILE          
SEQRES   9 B  323  CYS LYS GLN THR VAL PRO GLU MET ILE VAL MET SER ASP          
SEQRES  10 B  323  THR CYS PHE CYS GLU TYR THR SER HIS GLY HIS CYS GLY          
SEQRES  11 B  323  VAL LEU CME GLU HIS GLY VAL ASP ASN ASP ALA THR LEU          
SEQRES  12 B  323  GLU ASN LEU GLY LYS GLN ALA VAL VAL ALA ALA ALA ALA          
SEQRES  13 B  323  GLY ALA ASP PHE ILE ALA PRO SER ALA ALA MET ASP GLY          
SEQRES  14 B  323  GLN VAL GLN ALA ILE ARG GLN ALA LEU ASP ALA ALA GLY          
SEQRES  15 B  323  PHE LYS ASP THR ALA ILE MET SER TYR SER THR LYS PHE          
SEQRES  16 B  323  ALA SER SER PHE TYR GLY PRO PHE ARG GLU ALA ALA GLY          
SEQRES  17 B  323  SER ALA LEU LYS GLY ASP ARG LYS SER TYR GLN MET ASN          
SEQRES  18 B  323  PRO MET ASN ARG ARG GLU ALA ILE ARG GLU SER LEU LEU          
SEQRES  19 B  323  ASP GLU ALA GLN GLY ALA ASP CYS LEU MET VAL LYS PRO          
SEQRES  20 B  323  ALA GLY ALA TYR LEU ASP ILE VAL ARG GLU LEU ARG GLU          
SEQRES  21 B  323  ARG THR GLU LEU PRO ILE GLY ALA TYR GLN VAL SER GLY          
SEQRES  22 B  323  GLU TYR ALA MET ILE LYS PHE ALA ALA LEU ALA GLY ALA          
SEQRES  23 B  323  ILE ASP GLU GLU LYS VAL VAL LEU GLU SER LEU GLY SER          
SEQRES  24 B  323  ILE LYS ARG ALA GLY ALA ASP LEU ILE PHE SER TYR PHE          
SEQRES  25 B  323  ALA LEU ASP LEU ALA GLU LYS LYS ILE LEU ARG                  
MODRES 1L6S LYS A  246  LYS  SCHIFF BASE LINKAGE                                
MODRES 1L6S LYS A  194  LYS  SCHIFF BASE LINKAGE                                
MODRES 1L6S LYS B  246  LYS  SCHIFF BASE LINKAGE                                
MODRES 1L6S LYS B  194  LYS  SCHIFF BASE LINKAGE                                
MODRES 1L6S CME A  133  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE                   
MODRES 1L6S CME B  133  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE                   
HET    CME  A 133      10                                                       
HET    CME  B 133      10                                                       
HET     ZN  A 400       1                                                       
HET     MG  A 401       1                                                       
HET    DSB  A 350      14                                                       
HET     ZN  B 400       1                                                       
HET     MG  B 401       1                                                       
HET    DSB  B 350      14                                                       
HETNAM     CME S,S-(2-HYDROXYETHYL)THIOCYSTEINE                                 
HETNAM      ZN ZINC ION                                                         
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     DSB 4,7-DIOXOSEBACIC ACID                                            
FORMUL   1  CME    2(C5 H11 N O3 S2)                                            
FORMUL   3   ZN    2(ZN 2+)                                                     
FORMUL   4   MG    2(MG 2+)                                                     
FORMUL   5  DSB    2(C10 H14 O6)                                                
FORMUL   9  HOH   *497(H2 O)                                                    
HELIX    1   1 ARG A    6  LYS A   12  5                                   7    
HELIX    2   2 SER A   13  GLU A   21  1                                   9    
HELIX    3   3 SER A   26  ASN A   28  5                                   3    
HELIX    4   4 HIS A   59  ALA A   70  1                                  12    
HELIX    5   5 GLY A   88  ARG A   93  5                                   6    
HELIX    6   6 GLY A   96  VAL A  109  1                                  14    
HELIX    7   7 ASP A  138  GLY A  157  1                                  20    
HELIX    8   8 GLY A  169  ALA A  181  1                                  13    
HELIX    9   9 TYR A  200  GLY A  208  1                                   9    
HELIX   10  10 ASN A  224  GLN A  238  1                                  15    
HELIX   11  11 TYR A  251  GLU A  260  1                                  10    
HELIX   12  12 VAL A  271  ALA A  284  1                                  14    
HELIX   13  13 ASP A  288  ALA A  303  1                                  16    
HELIX   14  14 PHE A  312  LYS A  319  1                                   8    
HELIX   15  15 ARG B    6  LYS B   12  5                                   7    
HELIX   16  16 SER B   13  PHE B   20  1                                   8    
HELIX   17  17 SER B   26  ASN B   28  5                                   3    
HELIX   18  18 HIS B   59  ALA B   70  1                                  12    
HELIX   19  19 GLY B   88  ARG B   93  5                                   6    
HELIX   20  20 GLY B   96  VAL B  109  1                                  14    
HELIX   21  21 ASP B  138  ALA B  156  1                                  19    
HELIX   22  22 GLY B  169  ALA B  181  1                                  13    
HELIX   23  23 TYR B  200  GLY B  208  1                                   9    
HELIX   24  24 ASN B  224  GLN B  238  1                                  15    
HELIX   25  25 TYR B  251  GLU B  260  1                                  10    
HELIX   26  26 VAL B  271  ALA B  284  1                                  14    
HELIX   27  27 ASP B  288  ALA B  303  1                                  16    
HELIX   28  28 PHE B  312  LYS B  319  1                                   8    
SHEET    1   A 7 ALA A 187  ILE A 188  0                                        
SHEET    2   A 7 PHE A 160  PRO A 163  1  N  ILE A 161   O  ALA A 187           
SHEET    3   A 7 ILE A 113  THR A 118  1  N  SER A 116   O  PHE A 160           
SHEET    4   A 7 SER A  74  ILE A  80  1  N  THR A  77   O  MET A 115           
SHEET    5   A 7 LEU A  30  GLU A  37  1  N  ILE A  34   O  MET A  76           
SHEET    6   A 7 MET A  53  PRO A  56  1  O  ILE A  55   N  GLU A  37           
SHEET    7   A 7 LYS A  44  ALA A  45 -1  N  LYS A  44   O  ARG A  54           
SHEET    1   B 9 ALA A 187  ILE A 188  0                                        
SHEET    2   B 9 PHE A 160  PRO A 163  1  N  ILE A 161   O  ALA A 187           
SHEET    3   B 9 ILE A 113  THR A 118  1  N  SER A 116   O  PHE A 160           
SHEET    4   B 9 SER A  74  ILE A  80  1  N  THR A  77   O  MET A 115           
SHEET    5   B 9 LEU A  30  GLU A  37  1  N  ILE A  34   O  MET A  76           
SHEET    6   B 9 LEU A 307  SER A 310  1  O  SER A 310   N  VAL A  31           
SHEET    7   B 9 ILE A 266  GLN A 270  1  N  GLN A 270   O  PHE A 309           
SHEET    8   B 9 LEU A 243  LYS A 246  1  N  LEU A 243   O  GLY A 267           
SHEET    9   B 9 THR A 193  LYS A 194  1  N  THR A 193   O  MET A 244           
SHEET    1   C 7 ALA B 187  ILE B 188  0                                        
SHEET    2   C 7 PHE B 160  PRO B 163  1  N  ILE B 161   O  ALA B 187           
SHEET    3   C 7 ILE B 113  THR B 118  1  N  SER B 116   O  PHE B 160           
SHEET    4   C 7 SER B  74  ILE B  80  1  N  VAL B  75   O  MET B 115           
SHEET    5   C 7 LEU B  30  GLU B  37  1  N  ILE B  34   O  MET B  76           
SHEET    6   C 7 MET B  53  PRO B  56  1  O  ILE B  55   N  GLU B  37           
SHEET    7   C 7 LYS B  44  ALA B  45 -1  N  LYS B  44   O  ARG B  54           
SHEET    1   D 9 ALA B 187  ILE B 188  0                                        
SHEET    2   D 9 PHE B 160  PRO B 163  1  N  ILE B 161   O  ALA B 187           
SHEET    3   D 9 ILE B 113  THR B 118  1  N  SER B 116   O  PHE B 160           
SHEET    4   D 9 SER B  74  ILE B  80  1  N  VAL B  75   O  MET B 115           
SHEET    5   D 9 LEU B  30  GLU B  37  1  N  ILE B  34   O  MET B  76           
SHEET    6   D 9 LEU B 307  PHE B 309  1  O  ILE B 308   N  VAL B  31           
SHEET    7   D 9 ILE B 266  TYR B 269  1  N  ALA B 268   O  PHE B 309           
SHEET    8   D 9 LEU B 243  LYS B 246  1  N  LEU B 243   O  GLY B 267           
SHEET    9   D 9 THR B 193  LYS B 194  1  N  THR B 193   O  MET B 244           
LINK         C   LEU A 132                 N   CME A 133     1555   1555  1.32  
LINK         C   CME A 133                 N   GLU A 134     1555   1555  1.34  
LINK         NZ  LYS A 194                 C7  DSB A 350     1555   1555  1.28  
LINK         NZ  LYS A 246                 C4  DSB A 350     1555   1555  1.29  
LINK         C   LEU B 132                 N   CME B 133     1555   1555  1.33  
LINK         C   CME B 133                 N   GLU B 134     1555   1555  1.33  
LINK         NZ  LYS B 194                 C7  DSB B 350     1555   1555  1.29  
LINK         NZ  LYS B 246                 C4  DSB B 350     1555   1555  1.29  
LINK         SG  CYS A 119                ZN    ZN A 400     1555   1555  2.43  
LINK         SG  CYS A 121                ZN    ZN A 400     1555   1555  2.51  
LINK         SG  CYS A 129                ZN    ZN A 400     1555   1555  2.39  
LINK         OE1 GLU A 231                MG    MG A 401     1555   1555  2.14  
LINK        ZN    ZN A 400                 O   HOH A 685     1555   1555  2.26  
LINK        MG    MG A 401                 O   HOH A 403     1555   1555  2.19  
LINK        MG    MG A 401                 O   HOH A 422     1555   1555  2.24  
LINK        MG    MG A 401                 O   HOH A 433     1555   1555  2.00  
LINK        MG    MG A 401                 O   HOH A 439     1555   1555  2.06  
LINK        MG    MG A 401                 O   HOH A 483     1555   1555  2.10  
LINK         SG  CYS B 119                ZN    ZN B 400     1555   1555  2.33  
LINK         SG  CYS B 121                ZN    ZN B 400     1555   1555  2.51  
LINK         SG  CYS B 129                ZN    ZN B 400     1555   1555  2.49  
LINK         OE1 GLU B 231                MG    MG B 401     1555   1555  2.11  
LINK        ZN    ZN B 400                 O   HOH B 686     1555   1555  2.57  
LINK        MG    MG B 401                 O   HOH B 412     1555   1555  2.17  
LINK        MG    MG B 401                 O   HOH B 421     1555   1555  2.10  
LINK        MG    MG B 401                 O   HOH B 427     1555   1555  2.13  
LINK        MG    MG B 401                 O   HOH B 430     1555   1555  2.08  
LINK        MG    MG B 401                 O   HOH B 448     1555   1555  2.32  
CISPEP   1 LYS A  246    PRO A  247          0        -0.32                     
CISPEP   2 LYS B  246    PRO B  247          0        -0.78                     
SITE     1 AC1  4 CYS A 119  CYS A 121  CYS A 129  HOH A 685                    
SITE     1 AC2  6 GLU A 231  HOH A 403  HOH A 422  HOH A 433                    
SITE     2 AC2  6 HOH A 439  HOH A 483                                          
SITE     1 AC3  4 CYS B 119  CYS B 121  CYS B 129  HOH B 686                    
SITE     1 AC4  6 GLU B 231  HOH B 412  HOH B 421  HOH B 427                    
SITE     2 AC4  6 HOH B 430  HOH B 448                                          
SITE     1 AC5 14 SER A 164  LYS A 194  PHE A 199  TYR A 200                    
SITE     2 AC5 14 PHE A 203  ARG A 204  ARG A 215  GLN A 219                    
SITE     3 AC5 14 LYS A 246  TYR A 269  VAL A 271  SER A 272                    
SITE     4 AC5 14 TYR A 311  HOH A 463                                          
SITE     1 AC6 16 SER B 164  TYR B 191  LYS B 194  PHE B 199                    
SITE     2 AC6 16 TYR B 200  PHE B 203  ARG B 204  ARG B 215                    
SITE     3 AC6 16 GLN B 219  LYS B 246  TYR B 269  VAL B 271                    
SITE     4 AC6 16 SER B 272  TYR B 311  HOH B 511  HOH B 686                    
CRYST1  129.000  129.000  142.800  90.00  90.00  90.00 P 4 21 2     16          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.007754  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.007754  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007002        0.00000